Where does “spontánnost” come from?

spontánnost (Czech) comes from Czech -ost, from Proto-Slavic -ostь — Used with adjectival stems to form abstract...

spontánnost (Czech): spontaneity

Definitions

  1. spontaneity

Ancestry of “spontánnost”, step by step

StepLanguageWordMeaning
1Czech-ost-ness: from adjectives, forms nouns indicating a...
2Proto-Slavic-ostьUsed with adjectival stems to form abstract...
Every word from Proto-Slavic -ostь →Every word from Czech -ost →